2222120001 has 4 divisors (see below), whose sum is σ = 2962826672. Its totient is φ = 1481413332.

The previous prime is 2222119973. The next prime is 2222120011. The reversal of 2222120001 is 1000212222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2222120001 - 2⁵ = 2222119969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222120011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370353331 + ... + 370353336.

It is an arithmetic number, because the mean of its divisors is an integer number (740706668).

Almost surely, 2^2222120001 is an apocalyptic number.

It is an amenable number.

2222120001 is a deficient number, since it is larger than the sum of its proper divisors (740706671).

2222120001 is an equidigital number, since it uses as much as digits as its factorization.

2222120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740706670.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2222120001 is about 47139.3678468433. The cubic root of 2222120001 is about 1304.9358709551.

Adding to 2222120001 its reverse (1000212222), we get a palindrome (3222332223).

The spelling of 2222120001 in words is "two billion, two hundred twenty-two million, one hundred twenty thousand, one".